Originally Posted by
reddog3
Ultegra hubs are fine, as are the XT's that mr. bunny mentioned. Choose the hub that fits the DO spacing. My suggestion to save a few bucks are the 5700 series 105s. They share the same bearings and cones and races as Ultegra. The hub shell appears the same, and the weight is within a couple grams, but half-price.
Wiper seals vs. double labyrinth seals. Not the same thing at all.
I built a wheelset for my tandem using Dyad rims. I was over-the-moon with how them came out. One wheel required no trueing at all - once I pulled the spokes up to tension the wheel was within 1/2mm of redial and lateral true.